content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * -----------------------
   * XYBarRendererTests.java
   * -----------------------
   * (C) Copyright 2003-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 25-Mar-2003 : Version 1 (DG);
   * 22-Oct-2003 : Added hashCode test (DG);
   * 09-Feb-2007 : Added to testCloning() (DG);
   * 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG);
   * 22-Apr-2008 : Added testPublicCloneable (DG);
   * 19-Jun-2008 : Added testFindRangeBounds() (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.renderer.xy;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  
  import org.jfree.chart.ChartFactory;
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.LegendItem;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.ui.GradientPaintTransformType;
  import org.jfree.chart.ui.StandardGradientPaintTransformer;
  import org.jfree.chart.util.PublicCloneable;
  import org.jfree.chart.labels.ItemLabelPosition;
  import org.jfree.chart.plot.XYPlot;
  import org.jfree.data.Range;
  import org.jfree.data.xy.DefaultIntervalXYDataset;
  import org.jfree.data.xy.XYBarDataset;
  import org.jfree.data.xy.XYIntervalSeries;
  import org.jfree.data.xy.XYIntervalSeriesCollection;
  import org.jfree.data.xy.XYSeries;
  import org.jfree.data.xy.XYSeriesCollection;
  import org.junit.jupiter.api.Test;
  
  import java.io.IOException;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for the {@link XYBarRenderer} class.
   */
  public class XYBarRendererTest  {
  
  
  
  
  
      /**
       * Test that the equals() method distinguishes all fields.
       */
      @Test
      public void testEquals() {
  
          // default instances
          XYBarRenderer r1 = new XYBarRenderer();
          XYBarRenderer r2 = new XYBarRenderer();
          assertEquals(r1, r2);
          assertEquals(r2, r1);
  
          // setBase()
          r1.setBase(1.0);
          assertFalse(r1.equals(r2));
          r2.setBase(1.0);
          assertEquals(r1, r2);
  
          // setUseYInterval
          r1.setUseYInterval(!r1.getUseYInterval());
          assertFalse(r1.equals(r2));
          r2.setUseYInterval(!r2.getUseYInterval());
          assertEquals(r1, r2);
  
          // setMargin()
          r1.setMargin(0.10);
          assertFalse(r1.equals(r2));
          r2.setMargin(0.10);
          assertEquals(r1, r2);
  
          // setDrawBarOutline()
          r1.setDrawBarOutline(!r1.isDrawBarOutline());
          assertFalse(r1.equals(r2));
          r2.setDrawBarOutline(!r2.isDrawBarOutline());
          assertEquals(r1, r2);
  
          // setGradientPaintTransformer()
          r1.setGradientPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_HORIZONTAL));
          assertFalse(r1.equals(r2));
          r2.setGradientPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_HORIZONTAL));
          assertEquals(r1, r2);
  
          // positiveItemLabelFallbackPosition
          r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
          assertFalse(r1.equals(r2));
          r2.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
          assertEquals(r1, r2);
  
          // negativeItemLabelFallbackPosition
          r1.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
          assertFalse(r1.equals(r2));
          r2.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
          assertEquals(r1, r2);
  
          // barPainter
          r1.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33));
          assertFalse(r1.equals(r2));
          r2.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33));
          assertEquals(r1, r2);
  
          // shadowsVisible
          r1.setShadowVisible(false);
          assertFalse(r1.equals(r2));
          r2.setShadowVisible(false);
          assertEquals(r1, r2);
  
          // shadowXOffset
          r1.setShadowXOffset(3.3);
          assertFalse(r1.equals(r2));
          r2.setShadowXOffset(3.3);
          assertEquals(r1, r2);
  
          // shadowYOffset
          r1.setShadowYOffset(3.3);
          assertFalse(r1.equals(r2));
          r2.setShadowYOffset(3.3);
          assertEquals(r1, r2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          XYBarRenderer r1 = new XYBarRenderer();
          XYBarRenderer r2 = new XYBarRenderer();
          assertEquals(r1, r2);
          int h1 = r1.hashCode();
          int h2 = r2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          XYBarRenderer r1 = new XYBarRenderer();
          XYBarRenderer r2 = (XYBarRenderer) r1.clone();
          assertNotSame(r1, r2);
          assertSame(r1.getClass(), r2.getClass());
          assertEquals(r1, r2);
      }
  
      /**
       * Verify that this class implements {@link PublicCloneable}.
       */
      @Test
      public void testPublicCloneable() {
          XYBarRenderer r1 = new XYBarRenderer();
          assertTrue(r1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          XYBarRenderer r1 = new XYBarRenderer();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(r1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          XYBarRenderer r2 = (XYBarRenderer) in.readObject();
              in.close();
  
          assertEquals(r1, r2);
  
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization2() throws IOException, ClassNotFoundException {
  
          XYBarRenderer r1 = new XYBarRenderer();
          r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(r1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          XYBarRenderer r2 = (XYBarRenderer) in.readObject();
              in.close();
  
          assertEquals(r1, r2);
  
      }
  
      /**
       * Check that the renderer is calculating the domain bounds correctly.
       */
      @Test
      public void testFindDomainBounds() {
          XYSeriesCollection dataset
                  = RendererXYPackageTests.createTestXYSeriesCollection();
          JFreeChart chart = ChartFactory.createXYBarChart("Test Chart", "X",
                  false, "Y", dataset);
          XYPlot plot = (XYPlot) chart.getPlot();
          NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
          domainAxis.setAutoRangeIncludesZero(false);
          Range bounds = domainAxis.getRange();
          assertFalse(bounds.contains(0.3));
          assertTrue(bounds.contains(0.5));
          assertTrue(bounds.contains(2.5));
          assertFalse(bounds.contains(2.8));
      }
  
      /**
       * A test for the findDomainBounds method to ensure it correctly accounts
       * for the series visibility.
       */
      @Test
      public void testFindDomainBounds2() {
          XYIntervalSeries s1 = new XYIntervalSeries("S1");
          s1.add(1.0, 0.5, 1.5, 10.0, 9.5, 10.5);
          s1.add(2.0, 1.9, 2.1, 20.0, 19.8, 20.3);
          XYIntervalSeries s2 = new XYIntervalSeries("S2");
          s2.add(3.0, 2.5, 3.5, 30.0, 29.5, 30.5);
          s2.add(4.0, 3.9, 4.1, 9.0, 9.0, 9.0);
          XYIntervalSeriesCollection dataset = new XYIntervalSeriesCollection();
          dataset.addSeries(s1);
          dataset.addSeries(s2);
  
          XYBarRenderer renderer = new XYBarRenderer();
          Range r = renderer.findDomainBounds(dataset);
          assertEquals(0.5, r.getLowerBound(), EPSILON);
          assertEquals(4.1, r.getUpperBound(), EPSILON);
  
          renderer.setSeriesVisible(1, Boolean.FALSE);
          r = renderer.findDomainBounds(dataset);
          assertEquals(0.5, r.getLowerBound(), EPSILON);
          assertEquals(2.1, r.getUpperBound(), EPSILON);
      }
  
      private static final double EPSILON = 0.0000000001;
  
      /**
       * A simple test for the findRangeBounds() method.
       */
      @Test
      public void testFindRangeBounds() {
          DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset();
          double[] x = {1.0, 2.0, 3.0, 4.0};
          double[] startx = {0.9, 1.8, 2.7, 3.6};
          double[] endx = {1.1, 2.2, 3.3, 4.4};
          double[] y = {1.0, 2.0, 3.0, 4.0};
          double[] starty = {0.9, 1.8, 2.7, 3.6};
          double[] endy = {1.1, 2.2, 3.3, 4.4};
          double[][] data = new double[][] {x, startx, endx, y, starty, endy};
          dataset.addSeries("Series 1", data);
          XYBarRenderer renderer = new XYBarRenderer();
          renderer.setUseYInterval(true);
          Range r = renderer.findRangeBounds(dataset);
          assertEquals(0.9, r.getLowerBound(), EPSILON);
          assertEquals(4.4, r.getUpperBound(), EPSILON);
  
          renderer.setUseYInterval(false);
          r = renderer.findRangeBounds(dataset);
          assertEquals(1.0, r.getLowerBound(), EPSILON);
          assertEquals(4.0, r.getUpperBound(), EPSILON);
      }
  
      /**
       * A test for the findRangeBounds method to ensure it correctly accounts
       * for the series visibility.
       */
      @Test
      public void testFindRangeBounds2() {
          XYIntervalSeries s1 = new XYIntervalSeries("S1");
          s1.add(1.0, 0.5, 1.5, 10.0, 9.5, 10.5);
          s1.add(2.0, 1.9, 2.1, 20.0, 19.8, 20.3);
          XYIntervalSeries s2 = new XYIntervalSeries("S2");
          s2.add(3.0, 2.5, 3.5, 30.0, 29.5, 30.5);
          s2.add(4.0, 3.9, 4.1, 9.0, 9.0, 9.0);
          XYIntervalSeriesCollection dataset = new XYIntervalSeriesCollection();
          dataset.addSeries(s1);
          dataset.addSeries(s2);
  
          XYBarRenderer renderer = new XYBarRenderer();
          renderer.setUseYInterval(false);
          Range r = renderer.findRangeBounds(dataset);
          assertEquals(9.0, r.getLowerBound(), EPSILON);
          assertEquals(30.0, r.getUpperBound(), EPSILON);
  
          renderer.setSeriesVisible(1, Boolean.FALSE);
          r = renderer.findRangeBounds(dataset);
          assertEquals(10.0, r.getLowerBound(), EPSILON);
          assertEquals(20.0, r.getUpperBound(), EPSILON);
      }
  
      /**
       * A check for the datasetIndex and seriesIndex fields in the LegendItem
       * returned by the getLegendItem() method.
       */
      @Test
      public void testGetLegendItemSeriesIndex() {
          XYSeriesCollection d1 = new XYSeriesCollection();
          XYSeries s1 = new XYSeries("S1");
          s1.add(1.0, 1.1);
          XYSeries s2 = new XYSeries("S2");
          s2.add(1.0, 1.1);
          d1.addSeries(s1);
          d1.addSeries(s2);
  
          XYSeriesCollection d2 = new XYSeriesCollection();
          XYSeries s3 = new XYSeries("S3");
          s3.add(1.0, 1.1);
          XYSeries s4 = new XYSeries("S4");
          s4.add(1.0, 1.1);
          XYSeries s5 = new XYSeries("S5");
          s5.add(1.0, 1.1);
          d2.addSeries(s3);
          d2.addSeries(s4);
          d2.addSeries(s5);
  
          XYBarRenderer r = new XYBarRenderer();
          XYPlot plot = new XYPlot(new XYBarDataset(d1, 1.0), new NumberAxis("x"),
                  new NumberAxis("y"), r);
          plot.setDataset(1, new XYBarDataset(d2, 2.0));
          /*JFreeChart chart =*/ new JFreeChart(plot);
          LegendItem li = r.getLegendItem(1, 2);
          assertEquals("S5", li.getLabel());
          assertEquals(1, li.getDatasetIndex());
          assertEquals(2, li.getSeriesIndex());
      }
  
  
  }
  